Disiloxane, hexaethyl-
- Formula: C12H30OSi2
- Molecular weight: 246.5370
- IUPAC Standard InChI: InChI=1S/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
- IUPAC Standard InChIKey: WILBTFWIBAOWLN-UHFFFAOYSA-N
- CAS Registry Number: 994-49-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Hexaethyldisiloxane; 1,1,1,3,3,3-Hexaethyldisiloxane
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Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°liquid | 622.7 | J/mol*K | N/A | Dzhafarov and Kuliev, 1986 |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 460. | 298.15 | Dzhafarov and Kuliev, 1986 | T = 4 to 300 K. Cp(c) = 51.15 + 1.4244T - 1.7x10-1T2 (80 to 170 K); Cp(liq) = 282.22 + 0.626T - 1.05x10-1T2 (200 to 300 K). |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dzhafarov and Kuliev, 1986
Dzhafarov, O.I.; Kuliev, A.M.,
Heat capacity and thermodynamic properties of disiloxanes,
Dokl. Akad. Nauk. Azerb., 1986, SSR 42, 56-59. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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